RFC 2533 · PROPOSED STANDARD · 1999
SUN · 14 JUN 2026
A Syntax for Describing Media Feature Sets
Overview
RFC 2533, “A Syntax for Describing Media Feature Sets”, is a Proposed Standard document published in March 1999 by G. Klyne. It has since been updated by RFC 2738, RFC 2938. The canonical text is published by the RFC Editor.
Abstract
This document introduces and describes a syntax that can be used to define feature sets which are formed from combinations and relations involving individual media features. [STANDARDS-TRACK]
What “Proposed Standard” means
An entry-level standards-track specification: stable, peer-reviewed and a solid basis for implementation, though it may still evolve before becoming an Internet Standard.
Read this RFC
The canonical text of RFC 2533 is hosted at rfc-editor.org. Available in TXT,HTML.
Relationships to other RFCs
Other RFCs from 1999
- RFC 2532 Extended Facsimile Using Internet Mail
- RFC 2534 Media Features for Display, Print, and Fax
- RFC 2531 Content Feature Schema for Internet Fax
- RFC 2535 Domain Name System Security Extensions
- RFC 2530 Indicating Supported Media Features Using Extensions to DSN and MDN
- RFC 2536 DSA KEYs and SIGs in the Domain Name System
- RFC 2529 Transmission of IPv6 over IPv4 Domains without Explicit Tunnels
- RFC 2537 RSA/MD5 KEYs and SIGs in the Domain Name System